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Image Sensor - Dust or Oil?

RSmith70

Washington, US
49 posts

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RSmith70 Silver Member Nikonian since 03rd Jul 2012
Thu 27-Sep-12 05:08 PM

So this is what I am getting, even with different lenses. I'm assuming this is not dust (?) since using the in-camera sensor cleaning command didn't change anything. Or is it possible that it IS dust that is simply stuck to the sensor? Is the oil pattern that is reported to show up on the right hand side of the image some hard-and-fast rule when it comes to ruling oil in or out? Clearly the specks are evenly distributed on the sensor.
in June, less that one year after purchasing the camera, I've started noticing the larger specks in the tops of my images mostly because they are against a bright sky, but there seem to be a lot of them all over the place.
What do I do next in terms of diagnosing the problem? I can tell you I am not comfortable cleaning it myself.

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dm1dave

Lowden, US
13758 posts

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#1. "RE: Image Sensor - Dust or Oil?" | In response to Reply # 0

dm1dave Administrator Awarded for high level knowledge and skills in various areas, most notably in Wildlife and Landscape Writer Ribbon awarded for his excellent article contributions to the Nikonians community Donor Ribbon awarded for his very generous support to the Fundraising Campaign 2015 Nikonian since 12th Sep 2006
Thu 27-Sep-12 03:28 PM

It mostly looks like dust to me. The in-camera sensor cleaning feature can only remove loose particles.

First get a good blub blower. The Giottos Rocket Blower is highly recommended.
Use that to try to blow the dust off of the sensor.

If that does not work then the sensor need cleaning. If you are not comfortable doing it yourself then take it to a good camera store and see if they can do it. If there is no place to take it locally then you can send it to Nikon.

Here is some info on sensor cleaning….
http://www.copperhillimages.com/index.php?pr=Tutorials

Dave Summers
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elec164

US
2599 posts

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#2. "RE: Image Sensor - Dust or Oil?" | In response to Reply # 0

elec164 Silver Member Nikonian since 15th Jan 2009
Thu 27-Sep-12 03:28 PM

Having had a D7000 that was repaired for the lubricant spray issue, my educated guess is general dust/debris.

Also in my honest opinion, the self-cleaning mode comes under the heading of better than nothing, but not overly effective.

I would try using a rocket blower to try and remove most of the debris. If that fails than a more invasive method is needed.

Pete

Pete

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Snapshott

Richmond, US
451 posts

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#3. "RE: Image Sensor - Dust or Oil?" | In response to Reply # 0

Snapshott Silver Member Nikonian since 01st Sep 2007
Thu 27-Sep-12 03:36 PM

I agree with the others that it's dust. The oil spot's I've had look more like donuts and are heavier down the right side of the photo.

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RSmith70

Washington, US
49 posts

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#4. "RE: Image Sensor - Dust or Oil?" | In response to Reply # 1

RSmith70 Silver Member Nikonian since 03rd Jul 2012
Thu 27-Sep-12 06:17 PM | edited Thu 27-Sep-12 06:22 PM by RSmith70

Thanks everyone. I will try the bulb blower first. I don't have a Giottos, but I'm sure the one I have will be fine.

I'm just happy I don't have to touch the sensor.

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N4TVC

Burke, US
109 posts

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#5. "RE: Image Sensor - Dust or Oil?" | In response to Reply # 0

N4TVC Registered since 15th Jul 2006
Fri 28-Sep-12 05:41 PM

I agree with the other posters that this does not look like the lubricant spots I had. You might remember to hold the lens opening on the camera in the down position when using the rocket blower and do raise the mirror for cleaning using the utility in the "settings" menu. Then you could study up on wet cleaning and learn to do that yourself. It really is easy. Nerve-racking the first couple times, but easy to do.

Charles

G